Standard electrode potentials for a few half cells are mentioned below : $\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\circ}=0.34 \mathrm{~V}, \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{\circ}=-0.76 \mathrm{~V}$ $...
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Identify $\mathrm{A}, \mathrm{B}$ and C in the given below reaction sequence
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The ascending order of relative rate of solvolysis of following compounds is :
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Identify the coordination complexes in which the central metal ion has $d^{4}$ configuration.
Choose the correct answer from the options given below :
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The $\alpha$-Helix and $\beta$-Pleated sheet structures of protein are associated with its :
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A vessel with square cross-section and height of 6 m is vertically partitioned. A small window of $100c{m^2}$ with hinged door is fitted at a...
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A steel wire of length 2 m and Young's modulus $2.0 \times {10^{11}}N{m^{ - 2}}$ is stretched by a force. If Poisson ratio and transverse...
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A person travelling on a straight line moves with a uniform velocity ${v_1}$ for a distance x and with a uniform velocity ${v_2}$ for the...
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${\gamma_A}$ is the specific heat ratio of monoatomic gas A having 3 translational degrees of freedom. ${\gamma_B}$ is the specific heat ratio of polyatomic gas...
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If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the...
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Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :
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Given below are two statements about X -ray spectra of elements : Statement (I): A plot of $\sqrt{v}$ ( $v=$ frequency of X-rays emitted) vs...
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Identify the products [A] and [B], respectively in the following reaction:
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A river is flowing from west to east direction with speed of $9km{h^{-1}}$ . If a boat capable of moving at a maximum speed of...
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Given below are two statements: Statement (I): The boiling points of alcohols and phenols increase with increase in the number of C -atoms. Statement...
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Which of the following graphs most appropriately represents a zero order reaction?
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Consider a binary solution of two volatile liquid components 1 and $2 . x_{1}$ and $y_{1}$ are the mole fractions of component 1 in liquid...
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When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by 10 mm of Hg . The mole fraction...
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The relationship between the magnetic susceptibility $(\chi )$ and the magnetic permeability $(\mu )$ is given by : (${\mu _0}$ is the permeability of free...
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Consider the reaction $\mathrm{X}_{2} \mathrm{Y}(\mathrm{g}) \rightleftharpoons \mathrm{X}_{2}(\mathrm{~g})+\frac{1}{2} \mathrm{Y}_{2}(\mathrm{~g})$. The equation representing correct relationship between the degree of dissociation $(x)$ of $X_{2} Y(g)$ with its equilibrium...
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Consider two infinitely large plane parallel conducting plates as shown below. The plates are uniformly charged with a surface charge density $+ \sigma$ and $-2\sigma$....
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